But if I drive out demons by the finger of God, then the kingdom of God has come upon you.
The substance of these verses we had in Mat 12:22, etc. Christ is here giving a general proof of his divine mission, by a particular proof of his power over Satan, his conquest of whom was an indication of his great design in coming into the world, which was, to destroy the works of the devil. Here too he gives an earnest of the success of that undertaking.
Commenting on Luke 11:14-26
When a strong man armed,.... By the strong man, is meant the devil; See Gill on Mat 12:29 and who may be said to be "armed", both with his own temptations, which are as fiery darts, and which are thrown by him thick and fast, suddenly and swiftly, privily, and with great art and cunning, and with great strength, and are very injurious; and also...
Verses 14-23. and Verse 20. (i) "finger of God"